// 从流中读取数据
var fs = require("fs");
var data = "";
// 创建可读流
var readerStream = fs.createReadStream('input.html');
// 设置编码格式
readerStream.setEncoding('UTF8');
// 处理流事件-->data, end, error
readerStream.on("data",function(chunk) {
	data += chunk;
});

readerStream.on("end",function() {
	console.log(data);
});

readerStream.on("error",function(err) {
	console.log(err.stack);
});
console.log("程序执行完毕");
